Penggayaan APA
WIDGERY, David. (1979).
Health in danger : .
London:
Macmillan Press.
Chicago Style
WIDGERY, David.
Health in danger :.
London:
Macmillan Press,
1979.
Text.
MLA Style
WIDGERY, David.
Health in danger :.
London:
Macmillan Press,
1979.
Text.
Turabian Style
WIDGERY, David.
Health in danger :.
London:
Macmillan Press,
1979.
Print.